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Finding the Fourth Proportional to 12,488.00, 18,720.96 and 6,566.69

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Solution

The fourth proportional to 12,488.00, 18,720.96 and 6,566.69 is: 9,844.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,488.00 : 18,720.96 = 6,566.69 : x
  2. Step 2: Convert to fraction form
    12,488.00/18,720.96 = 6,566.69/x
  3. Step 3: Cross multiply
    12,488.00x = 18,720.96 × 6,566.69
  4. Step 4: Simplify right side
    12,488.00x = 122,934,647.22
  5. Step 5: Solve for x
    x = 122,934,647.22/12,488.00
  6. Step 6: Final answer
    x = 9,844.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.